 |
Invasive Plants of Oklahoma |
Maps for confirmed county distributions in Oklahoma are by Oklahoma Biological Survey and should be considered works in progress.
Invasive Plants of Oklahoma
Maps for confirmed county distributions in Oklahoma are by Oklahoma Biological Survey and should be considered works in progress.
Johnson grass is probably the most common tall, roadside grass here in Oklahoma as well as many other states. It can be distinguished from native purple top by the white mid rib of the leaf but also by the bloom arrangement of a female flower with one or more often two male flowers above it.
Photo: Chadwick Cox
